Skip to content

Instantly share code, notes, and snippets.

@Hugovdberg

Hugovdberg/missing_env_vars.py

Created December 3, 2021 08:42
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save Hugovdberg/e26410c64ef6419b41ab720b08b50da3 to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save Hugovdberg/e26410c64ef6419b41ab720b08b50da3 to your computer and use it in GitHub Desktop.
Download ZIP
Check if multiple environment variables are present and list all missing
Raw
missing_env_vars.py
import os
MANDATORY_ENV_VARS = {'TEMP', 'USER'}
# Python 3.8 or higher, using empty set is falsy:
if missing_vars := MANDATORY_ENV_VARS.difference(os.environ):
raise EnvironmentError(f"The following variables were not set: {missing_vars}")
# Python 3.7 or lower:
if not MANDATORY_ENV_VARS.issubset(os.environ):
missing_vars = MANDATORY_ENV_VARS.difference(os.environ)
raise EnvironmentError(f"The following variables were not set: {missing_vars}")
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment